That which is past is gone and irrevocable, and wise men have enough to do with things present and to come: therefore they do but trifle with themselves that labour in past matters. There is no man that doth a wrong for the wrong's sake, but thereby to purchase himself profit or pleasure or honour or the like. Therefore why should I be angry with a man for loving himself better than me?
--Francis Bacon, On Revenge
Deterrence is the fitness-maximizer, revenge is the adaptation-executer.
Another month, another rationality quotes thread. The rules are: